| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 27, 2021 | Aug 25, 2021 | 001-39527 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 22, 2021 | Jul 20, 2021 | 001-39527 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 27, 2021 | May 25, 2021 | 001-39527 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 24, 2020 | Sep 24, 2020 | 001-39527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 18, 2018 | Jun 14, 2018 | 001-35112 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2018 | May 14, 2018 | 001-35112 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2018 | Aug 11, 2017 | 001-35112 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 15, 2017 | Aug 11, 2017 | 001-35112 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2017 | Feb 17, 2017 | 001-35112 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 19, 2016 | Apr 15, 2016 | 001-35112 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 18, 2016 | Feb 9, 2016 | 001-35112 |